130154631485840 has 80 divisors (see below), whose sum is σ = 326510286045888. Its totient is φ = 47965207131648.

The previous prime is 130154631485831. The next prime is 130154631485861. The reversal of 130154631485840 is 48584136451031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×130154631485840² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119101094 + ... + 120188933.

Almost surely, 2^{130154631485840} is an apocalyptic number.

130154631485840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130154631485840 is an abundant number, since it is smaller than the sum of its proper divisors (196355654560048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130154631485840 is a wasteful number, since it uses less digits than its factorization.

130154631485840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239290576 (or 239290570 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 130154631485840 in words is "one hundred thirty trillion, one hundred fifty-four billion, six hundred thirty-one million, four hundred eighty-five thousand, eight hundred forty".